Three-dimensional printer



FIG. 1 is a top, front, right side perspective view of a firstembodiment of a three-dimensional printer according to our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top, front, right side perspective view of a secondembodiment of the three-dimensional printer;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a left side elevation view thereof;

FIG. 12 is a right side elevation view thereof;

FIG. 13 is a top plan view thereof; and,

FIG. 14 is a bottom plan view thereof.

The dot-dash broken lines and dash-dash broken lines immediatelyadjacent to the shaded areas depict the bounds of the claimed design andform no part of the claimed design. All other dash-dash broken linesdepict portions of the three-dimensional printer that form no part ofthe claims design. In addition, the unshaded bottom surface thatdirectly adjoins the claimed bottom front edge forms no part of theclaimed design.

CLAIM The ornamental design for a three-dimensional printer, as shownand described.